{"id":1798210584634,"title":"GY-MAX4466 Blue\/ Purple Electret Microphone Amplifier with Adjustable Gain for Arduino","handle":"gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino","description":"\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eThe board comes with a 20-20KHz electret microphone soldered on\u003c\/li\u003e\n\u003cli\u003eUsing the MAX4466, an op-amp specifically designed for amplifier\u003c\/li\u003e\n\u003cli\u003eFor the best performance, use the \"quietest\" supply available (on an for Arduino, this would be the 3.3V supply)\u003c\/li\u003e\n\u003cli\u003eThe amplifier has excellent power supply noise rejection\u003c\/li\u003e\n\u003cli\u003eThis breakout board is best used for projects such as voice changers, audio recordingmpling, and audio-reactive projects that use FFT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003eOn the back, we include a small trimmer pot to adjust the gain.\u003cbr\u003eYou can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6\" away) which is good for attaching to something that expects 'line level' input without clipping,\u003cbr\u003eor up to about 1Vpp, ideal for reading from a microcontroller ADC.\u003cbr\u003eThe output is rail-to-rail so if the sounds gets loud, the output can go up to 5Vpp!\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eUsing introduction:\u003c\/strong\u003e\u003cbr\u003eConnect GND to ground, VCC to 2.4-5VDC.\u003cbr\u003eThe audio waveform will come out of the OUT pin. The output will have a DC bias of VCC\/2 so when its perfectly quiet, the voltage will be a steady VCC\/2 volts (it is DC coupled).\u003cbr\u003eIf the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device.\u003cbr\u003eIf you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.\u003cbr\u003eThe output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you'll need an audio amplifier (such as 3.7W stereo amp)\u003cbr\u003eIf you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.\u003cbr\u003eFor audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e1* Purple\/ Blue MAX4466 Electret Microphone Amplifier Module","published_at":"2018-08-06T15:25:40+08:00","created_at":"2018-08-06T15:30:38+08:00","vendor":"diymore","type":"Amplifier Board","tags":[],"price":199,"price_min":199,"price_max":199,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":17370643464250,"title":"Blue","option1":"Blue","option2":null,"option3":null,"sku":"011704","requires_shipping":true,"taxable":false,"featured_image":{"id":5222677184570,"product_id":1798210584634,"position":1,"created_at":"2018-08-06T16:01:17+08:00","updated_at":"2018-08-06T16:01:46+08:00","alt":"Gy-Max4466 Blue\/ Purple Electret Microphone Amplifier With Adjustable Gain For Arduino Blue Board","width":1000,"height":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_909.jpg?v=1533542506","variant_ids":[17370643464250]},"available":true,"name":"GY-MAX4466 Blue\/ Purple Electret Microphone Amplifier with Adjustable Gain for Arduino - Blue","public_title":"Blue","options":["Blue"],"price":199,"weight":7,"compare_at_price":null,"inventory_management":null,"barcode":""},{"id":17370643497018,"title":"Purple","option1":"Purple","option2":null,"option3":null,"sku":"011708","requires_shipping":true,"taxable":false,"featured_image":{"id":5222678331450,"product_id":1798210584634,"position":2,"created_at":"2018-08-06T16:01:21+08:00","updated_at":"2018-08-06T16:01:46+08:00","alt":"Gy-Max4466 Blue\/ Purple Electret Microphone Amplifier With Adjustable Gain For Arduino Blue Board","width":1000,"height":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_1_157.jpg?v=1533542506","variant_ids":[17370643497018]},"available":true,"name":"GY-MAX4466 Blue\/ Purple Electret Microphone Amplifier with Adjustable Gain for Arduino - Purple","public_title":"Purple","options":["Purple"],"price":199,"weight":7,"compare_at_price":null,"inventory_management":null,"barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_909.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_1_157.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_2_895.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_3_763.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_4_982.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_5_532.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_6_794.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_7_162.jpg?v=1533542506","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_8_500.jpg?v=1533542506"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/gy-max4466-blue-purple-electret-microphone-amplifier-with-adjustable-gain-for-arduino-board-diymore_909.jpg?v=1533542506","options":["Color"],"content":"\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eThe board comes with a 20-20KHz electret microphone soldered on\u003c\/li\u003e\n\u003cli\u003eUsing the MAX4466, an op-amp specifically designed for amplifier\u003c\/li\u003e\n\u003cli\u003eFor the best performance, use the \"quietest\" supply available (on an for Arduino, this would be the 3.3V supply)\u003c\/li\u003e\n\u003cli\u003eThe amplifier has excellent power supply noise rejection\u003c\/li\u003e\n\u003cli\u003eThis breakout board is best used for projects such as voice changers, audio recordingmpling, and audio-reactive projects that use FFT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003eOn the back, we include a small trimmer pot to adjust the gain.\u003cbr\u003eYou can set the gain from 25x to 125x. 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The output will have a DC bias of VCC\/2 so when its perfectly quiet, the voltage will be a steady VCC\/2 volts (it is DC coupled).\u003cbr\u003eIf the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device.\u003cbr\u003eIf you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.\u003cbr\u003eThe output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you'll need an audio amplifier (such as 3.7W stereo amp)\u003cbr\u003eIf you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.\u003cbr\u003eFor audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e1* Purple\/ Blue MAX4466 Electret Microphone Amplifier Module"}

{"id":1916453847098,"title":"CSR8645 Bluetooth 4.0 Stereo Audio Module Support APT Lossless Speaker Amplifier","handle":"csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier","description":"\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e1. Total of 6 function keys: POWER-EN, PLAY, VOL+, VOL-, PREV, NEXT.\u003cbr\u003e\u003cbr\u003eThe key function is introduced as follows:\u003cbr\u003ePOWER-EN: the switch control module when the switch, the toggle switch,\u003cbr\u003ewhen the POWER-EN is connected toBAT, module startup;\u003cbr\u003eWhen POWER-EN disconnect BAT, module shutdown, usually used when battery power.\u003cbr\u003eAdopting the module electrically powered, only the 10K POWER-EN series resistor connected to BAT,\u003cbr\u003ecan realize the module electrically powered, usually used in the external power supply.\u003cbr\u003ePLAY: play \/ pause (short press), with the hang up (by a long, time slightly longer), re pairing (long press)\u003cbr\u003eVOL+: volume plus\u003cbr\u003eVOL-: the volume reduction\u003cbr\u003ePREV: a\u003cbr\u003eNEXT: the next song\u003cbr\u003e \u003cbr\u003e2. LED: the match state, double flashing alternately, paired, single lamp flicker;\u003cbr\u003e3. USB card function (for USB sound card function please specify);\u003cbr\u003e4. AUX-IN switching function;\u003cbr\u003e5. 3.2V low battery alarm, automatic shutdown (3.0V, the realization of the AMS1117 power supply);\u003cbr\u003e6. the maximum charge current is set to 250MA, full of the light out,\u003cbr\u003e lit another lamp (personal recommendations with charging module, fast);\u003cbr\u003e7. no connection has been in a match;\u003cbr\u003e8. can also connect the 2 Mobile phone;\u003cbr\u003e9. EN audio amplifier control pin, when in the silent, after a period of time, the output low;\u003cbr\u003ewhen playing, the output high level (1.8V).\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003ePackage Included：\u003c\/strong\u003e\u003cbr\u003e1 x CSR8645 4.0 Bluetooth Stereo Audio Module","published_at":"2018-09-18T14:50:32+08:00","created_at":"2018-09-18T14:58:06+08:00","vendor":"diymore","type":"Amplifier Board","tags":[],"price":659,"price_min":659,"price_max":659,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":19219693961274,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"040106","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"CSR8645 Bluetooth 4.0 Stereo Audio Module Support APT Lossless Speaker Amplifier","public_title":null,"options":["Default Title"],"price":659,"weight":3,"compare_at_price":null,"inventory_management":null,"barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_828.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_1_272.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_2_711.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_3_260.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_4_822.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_5_542.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_6_433.jpg?v=1537255798","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_7_167.jpg?v=1537255798"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/csr8645-bluetooth-4-0-stereo-audio-module-support-apt-lossless-speaker-amplifier-board-diymore_828.jpg?v=1537255798","options":["Title"],"content":"\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e1. Total of 6 function keys: POWER-EN, PLAY, VOL+, VOL-, PREV, NEXT.\u003cbr\u003e\u003cbr\u003eThe key function is introduced as follows:\u003cbr\u003ePOWER-EN: the switch control module when the switch, the toggle switch,\u003cbr\u003ewhen the POWER-EN is connected toBAT, module startup;\u003cbr\u003eWhen POWER-EN disconnect BAT, module shutdown, usually used when battery power.\u003cbr\u003eAdopting the module electrically powered, only the 10K POWER-EN series resistor connected to BAT,\u003cbr\u003ecan realize the module electrically powered, usually used in the external power supply.\u003cbr\u003ePLAY: play \/ pause (short press), with the hang up (by a long, time slightly longer), re pairing (long press)\u003cbr\u003eVOL+: volume plus\u003cbr\u003eVOL-: the volume reduction\u003cbr\u003ePREV: a\u003cbr\u003eNEXT: the next song\u003cbr\u003e \u003cbr\u003e2. LED: the match state, double flashing alternately, paired, single lamp flicker;\u003cbr\u003e3. USB card function (for USB sound card function please specify);\u003cbr\u003e4. AUX-IN switching function;\u003cbr\u003e5. 3.2V low battery alarm, automatic shutdown (3.0V, the realization of the AMS1117 power supply);\u003cbr\u003e6. the maximum charge current is set to 250MA, full of the light out,\u003cbr\u003e lit another lamp (personal recommendations with charging module, fast);\u003cbr\u003e7. no connection has been in a match;\u003cbr\u003e8. can also connect the 2 Mobile phone;\u003cbr\u003e9. EN audio amplifier control pin, when in the silent, after a period of time, the output low;\u003cbr\u003ewhen playing, the output high level (1.8V).\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003ePackage Included：\u003c\/strong\u003e\u003cbr\u003e1 x CSR8645 4.0 Bluetooth Stereo Audio Module"}

{"id":2037999960122,"title":"ADMP401 MEMS Microphone Breakout Module Board for Arduino","handle":"admp401-mems-microphone-breakout-module-board-for-arduino","description":"\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003cbr\u003eThis tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input\u003cbr\u003eThis means the microphone's input can fit flush against the enclosure of your project\u003cbr\u003ePlus you will not have to deal with trying to solder the microphone's wacky footprint\u003cbr\u003eThe amplifier on the breakout has a gain of 67 and more than meets the bandwidth requirements of the mic\u003cbr\u003eThe amplifier's AUD output will float at one half Vcc when no sound is being picked up\u003cbr\u003eThe amplifier produces a peak-to-peak output of about 200mV when the microphone is held at arms length and is being talked into at normal conversational volume levels\u003cbr\u003eSo the AUD output can easily be connected to the ADC of a micro\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003cbr\u003eMaterial: Electrical Components\u003cbr\u003eADMP401\u003cbr\u003e3dB roll off at 100Hz and 15kHz\u003cbr\u003e1.5 to 3.3VDC supply voltage\u003cbr\u003eShould comfortably output 40mW\u003cbr\u003eSNR of -62dBA\u003cbr\u003eSize:1.3cm*1cm(0.51\"*0.39\")\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e1*ADMP401 MEMS Microphone Breakout Module","published_at":"2018-10-17T17:06:04+08:00","created_at":"2018-10-17T17:07:58+08:00","vendor":"diymore","type":"Amplifier Board","tags":[],"price":459,"price_min":459,"price_max":459,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":20483862593594,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"011692","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"ADMP401 MEMS Microphone Breakout Module Board for Arduino","public_title":null,"options":["Default Title"],"price":459,"weight":2,"compare_at_price":null,"inventory_management":null,"barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_381.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_1_665.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_2_259.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_3_183.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_4_993.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_5_572.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_6_915.jpg?v=1539769558","\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_7_667.jpg?v=1539769558"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0122\/7558\/0986\/products\/admp401-mems-microphone-breakout-module-board-for-arduino-amplifier-diymore_381.jpg?v=1539769558","options":["Title"],"content":"\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003cbr\u003eThis tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input\u003cbr\u003eThis means the microphone's input can fit flush against the enclosure of your project\u003cbr\u003ePlus you will not have to deal with trying to solder the microphone's wacky footprint\u003cbr\u003eThe amplifier on the breakout has a gain of 67 and more than meets the bandwidth requirements of the mic\u003cbr\u003eThe amplifier's AUD output will float at one half Vcc when no sound is being picked up\u003cbr\u003eThe amplifier produces a peak-to-peak output of about 200mV when the microphone is held at arms length and is being talked into at normal conversational volume levels\u003cbr\u003eSo the AUD output can easily be connected to the ADC of a micro\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003cbr\u003eMaterial: Electrical Components\u003cbr\u003eADMP401\u003cbr\u003e3dB roll off at 100Hz and 15kHz\u003cbr\u003e1.5 to 3.3VDC supply voltage\u003cbr\u003eShould comfortably output 40mW\u003cbr\u003eSNR of -62dBA\u003cbr\u003eSize:1.3cm*1cm(0.51\"*0.39\")\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e1*ADMP401 MEMS Microphone Breakout Module"}

{"id":1728242614330,"title":"Digital Amplifier Board Class D 2*3W USB Power Mini PAM8403 Audio Module","handle":"10pcs-digital-amplifier-board-class-d-2-3w-usb-power-mini-pam8403-audio-module","description":"\u003cp\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1.Advanced Micro Devices, volume: 1.85 * 2.11cm\u003cbr\u003e2.Excellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise\u003cbr\u003e3.Two-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4Ω 8Ω small speaker output power, full of energy, good sound quality.\u003cbr\u003e4.Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered.\u003cbr\u003e5.Dual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring\u003cbr\u003e6.Ultra-miniature design, can easily be placed in the internal space for a variety of digital products, ultra high zoom efficiency.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eAll using the machine for the entire board soldering, hand soldering iron welding quality comparable!\u003cbr\u003eRated working voltage 2.5-5V, limit operating voltage 5.5V.\u003cbr\u003e\u003cbr\u003eNote: The left and right channel output of the \"negative\" can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e1PCS \u003cspan\u003e* \u003c\/span\u003eDigital Amplifier Board\u003c\/p\u003e","published_at":"2018-07-18T18:11:20+08:00","created_at":"2018-07-18T18:17:03+08:00","vendor":"diymore","type":"Amplifier 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Micro Devices, volume: 1.85 * 2.11cm\u003cbr\u003e2.Excellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise\u003cbr\u003e3.Two-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4Ω 8Ω small speaker output power, full of energy, good sound quality.\u003cbr\u003e4.Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered.\u003cbr\u003e5.Dual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring\u003cbr\u003e6.Ultra-miniature design, can easily be placed in the internal space for a variety of digital products, ultra high zoom efficiency.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eAll using the machine for the entire board soldering, hand soldering iron welding quality comparable!\u003cbr\u003eRated 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